| 时间 |
值 （亿美元） |
世界排名 |
| 2016 |
132 |
71 |
| 2015 |
128 |
76 |
| 2014 |
161 |
75 |
| 2013 |
163 |
76 |
| 2012 |
161 |
76 |
| 2011 |
167 |
74 |
| 2010 |
116 |
77 |
| 2009 |
90 |
81 |
| 2008 |
125 |
78 |
| 2007 |
110 |
77 |
| 2006 |
97 |
77 |
| 2005 |
77 |
76 |
| 2004 |
59 |
79 |
| 2003 |
56 |
77 |
| 2002 |
43 |
79 |
| 2001 |
40 |
79 |
| 2000 |
38 |
81 |
| 1999 |
30 |
79 |
| 1998 |
32 |
77 |
| 1997 |
29 |
80 |
| 1996 |
21 |
86 |
| 1995 |
18 |
91 |
| 1994 |
13 |
99 |